Cristina Braga
type: MusicGroup
genre: brazilian jazz
genre: mpb
description: Cristina Braga is a Brazilian harpist. Working with various styles of both classical and popular music, she has released fourteen recorded works, two of them also released in the United States, one re
popularity: 16
followers: 804
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T00:33:41Z
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album: Feliz Natal
  type: MusicAlbum
  date published: 1997-06-06
album: Natal Brasileiro
  type: MusicAlbum
  date published: 1998-10-25
album: Espelho D'água
  type: MusicAlbum
  date published: 2000-10-01
album: Harpa Brasileira
  type: MusicAlbum
  date published: 2004
album: Harpa Brasileira
  type: MusicAlbum
  date published: 2004-07-01
album: Cortejo
  type: MusicAlbum
  date published: 2006-07-01
album: Paisagem
  type: MusicAlbum
  date published: 2008
album: The Enja Heritage Collection: Harpa Bossa
  type: MusicAlbum
  date published: 2010
album: Feito um Peixe
  type: MusicAlbum
  date published: 2010-08-28
album: Samba, Jazz and Love
  type: MusicAlbum
  date published: 2013-04-12
album: Samba, Jazz And Love
  type: MusicAlbum
  date published: 2013-04-12
album: Alianças
  type: MusicAlbum
  date published: 2013-05-20
album: Lundum
  type: MusicAlbum
  date published: 2013-06-06
album: Braga, C.: Samba, Jazz and Love
  type: MusicAlbum
  date published: 2013-08-06
album: Whisper: The Bossa Nova Brandenburg Concerto
  type: MusicAlbum
  date published: 2016-05-06
album: Bethany
  type: MusicAlbum
  date published: 2017-04-03
track: Triste
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  by artist: Roberto Menescal
  by artist: Andy Summers
  by artist: Cristina Braga
  in album: United Kingdom Of Ipanema
    type: MusicAlbum
    date published: 2018-11-30
  genre: bossa-nova
  genre: velha-guarda
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8119f2a365071584b7b5c6994db1465d1cdd2c3f5219e27f40ee01a55bd4da5e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRW3Q1400006.
    date published: 2026-07-08T03:20:19Z
  audio: Triste
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    additional property: Mode (Major/Minor)
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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track: Espiral
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193178
  explicit: false
  by artist: Monique Kessous
  by artist: Cristina Braga
  by artist: Daniel Jobim
  in album: Dentro de Mim Cabe o Mundo
    type: MusicAlbum
    date published: 2016-04-20
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  subject of: OpenTimestamps Proof of Existence
  audio: Espiral
track: Certas Coisas

OTSBitcoinBlock
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba569f3c74e82d92399dd2356908511924270a28c3c8f1c32d2196bcd5892509. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRKSO1500001.
date published: 2026-07-02T03:55:08Z

Espiral
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Certas Coisas
type: MusicRecording
duration: PT2M50S
duration ms: 170973
explicit: false
by artist: Lenine
by artist: Cristina Braga
in album: Nelson 70 - EP
  type: MusicAlbum
  date published: 2014-10-27
isrc code: BRRGE1403515
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd60494149932be9391d14ce7b8eeb3d569d4a25e4828cc35718fe6c2fb9b72cf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRRGE1403515.
  date published: 2026-06-13T12:47:07Z
audio: Certas Coisas
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